20672928

素因数分解:

$2^5\times 3^3\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 61326720

約数和(自身を除く): 40653792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 71, 72, 96, 108, 142, 144, 213, 216, 284, 288, 337, 426, 432, 568, 639, 674, 852, 864, 1011, 1136, 1278, 1348, 1704, 1917, 2022, 2272, 2556, 2696, 3033, 3408, 3834, 4044, 5112, 5392, 6066, 6816, 7668, 8088, 9099, 10224, 10784, 12132, 15336, 16176, 18198, 20448, 23927, 24264, 30672, 32352, 36396, 47854, 48528, 61344, 71781, 72792, 95708, 97056, 143562, 145584, 191416, 215343, 287124, 291168, 382832, 430686, 574248, 646029, 765664, 861372, 1148496, 1292058, 1722744, 2296992, 2584116, 3445488, 5168232, 6890976, 10336464, 20672928]

約数ペア:

[(1, 20672928), (2, 10336464), (3, 6890976), (4, 5168232), (6, 3445488), (8, 2584116), (9, 2296992), (12, 1722744), (16, 1292058), (18, 1148496), (24, 861372), (27, 765664), (32, 646029), (36, 574248), (48, 430686), (54, 382832), (71, 291168), (72, 287124), (96, 215343), (108, 191416), (142, 145584), (144, 143562), (213, 97056), (216, 95708), (284, 72792), (288, 71781), (337, 61344), (426, 48528), (432, 47854), (568, 36396), (639, 32352), (674, 30672), (852, 24264), (864, 23927), (1011, 20448), (1136, 18198), (1278, 16176), (1348, 15336), (1704, 12132), (1917, 10784), (2022, 10224), (2272, 9099), (2556, 8088), (2696, 7668), (3033, 6816), (3408, 6066), (3834, 5392), (4044, 5112)]